<p>A shovel according to an embodiment of the present invention is provided with the following: a revolving electric motor (21); a multistage revolving speed reduction mechanism (24) connected to the revolving electric motor (21); a space (SP1) accommodating a planetary gear mechanism that constitutes a first revolving speed reduction mechanism (24-1) which is the first stage of the multistage revolving speed reduction mechanism (24); and a space (SP2) accommodating a planetary gear mechanism that constitutes a second revolving speed reduction mechanism (24-2) which is the second stage of the multistage revolving speed reduction mechanism (24)</p>